lemniscate

/lɛmˈnɪskeɪt/
noun
  1. A figure-eight shaped curve, often used in mathematics and as a symbol for infinity.
    • In geometry class, we learned how to graph a lemniscate.
    • The lemniscate is the mathematical symbol for infinity.
    • The artist used a lemniscate shape in the sculpture to represent endless motion.
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